PML boundary conditions implementation in 1D and 2D wave propagation code for an inhomogeneous, magnetized ionospheric plasma.

Statistics – Computation

Scientific paper

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2403 Active Experiments, 2487 Wave Propagation (6934)

Scientific paper

We have developed 1D and 2D full-wave propagation codes with arbitrary direction of propagation to the magnetic field and the plasma density relevant to ionospheric interaction studies. A wave launched from the bottom of computational box should be allowed to propagate out of the simulation box (top boundary for the 1D case and top and side boundaries for the 2D case) without providing spurious reflection from these computational boundaries. We have implemented the use of a Perfectly-Matched-Layer (PML) technique using matrix-marching algorithms to accomplish these goals. Results for various 1D and 2D cases with the existence of mode conversion layers for specified density profiles will be presented. These codes can be used to accurately compute the detailed mode structure of radio wave in complex magnetized plasma environments.

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